agenttesla | 8d0a7f38770625735025ca785e6158b687a83838dfcf8d06e4583718d5c8a339

General

Target

3f77e55a36a611437d5a3c55c5b10ddf.exe
Size

907KB
MD5

3f77e55a36a611437d5a3c55c5b10ddf
SHA1

d2ce8943ed5e7b45bcdebda0d690fbad49a70844
SHA256

8d0a7f38770625735025ca785e6158b687a83838dfcf8d06e4583718d5c8a339
SHA512

678c84da8c95ffbcf4192dfcda4d9587e510c041893831c0e86b03359ac66c72ddf4d17968bea88c29bbfd2ef7dff17c56e7bda607ec31f911721dec12ec0fe3
SSDEEP

12288:WwwlJdNo7HLlXOs8h+HD5wVJmD96FZGD9tHK7zczKbogyLF:zwngXrqimV06LeGuKboF

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.karanex.com
Port:
587
Username:
[email protected]
Password:
roz%KtT3

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/380-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3f77e55a36a611437d5a3c55c5b10ddf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3f77e55a36a611437d5a3c55c5b10ddf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3f77e55a36a611437d5a3c55c5b10ddf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3444 set thread context of 380	3444	3f77e55a36a611437d5a3c55c5b10ddf.exe	103

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
380	3f77e55a36a611437d5a3c55c5b10ddf.exe
380	3f77e55a36a611437d5a3c55c5b10ddf.exe
380	3f77e55a36a611437d5a3c55c5b10ddf.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
380	3f77e55a36a611437d5a3c55c5b10ddf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	380	3f77e55a36a611437d5a3c55c5b10ddf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
380	3f77e55a36a611437d5a3c55c5b10ddf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 380	3444	3f77e55a36a611437d5a3c55c5b10ddf.exe	103
PID 3444 wrote to memory of 380	3444	3f77e55a36a611437d5a3c55c5b10ddf.exe	103
PID 3444 wrote to memory of 380	3444	3f77e55a36a611437d5a3c55c5b10ddf.exe	103
PID 3444 wrote to memory of 380	3444	3f77e55a36a611437d5a3c55c5b10ddf.exe	103
PID 3444 wrote to memory of 380	3444	3f77e55a36a611437d5a3c55c5b10ddf.exe	103
PID 3444 wrote to memory of 380	3444	3f77e55a36a611437d5a3c55c5b10ddf.exe	103
PID 3444 wrote to memory of 380	3444	3f77e55a36a611437d5a3c55c5b10ddf.exe	103
PID 3444 wrote to memory of 380	3444	3f77e55a36a611437d5a3c55c5b10ddf.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3f77e55a36a611437d5a3c55c5b10ddf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3f77e55a36a611437d5a3c55c5b10ddf.exe

C:\Users\Admin\AppData\Local\Temp\3f77e55a36a611437d5a3c55c5b10ddf.exe
"C:\Users\Admin\AppData\Local\Temp\3f77e55a36a611437d5a3c55c5b10ddf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\3f77e55a36a611437d5a3c55c5b10ddf.exe
  "C:\Users\Admin\AppData\Local\Temp\3f77e55a36a611437d5a3c55c5b10ddf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3f77e55a36a611437d5a3c55c5b10ddf.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/380-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/380-23-0x0000000006420000-0x0000000006470000-memory.dmp

Filesize
320KB

Download
memory/380-22-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/380-21-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/380-20-0x0000000005DA0000-0x0000000005E06000-memory.dmp

Filesize
408KB

Download
memory/380-19-0x0000000005CF0000-0x0000000005D08000-memory.dmp

Filesize
96KB

Download
memory/380-17-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/380-16-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3444-5-0x0000000005A20000-0x0000000005A30000-memory.dmp

Filesize
64KB

Download
memory/3444-6-0x00000000056C0000-0x00000000056CA000-memory.dmp

Filesize
40KB

Download
memory/3444-11-0x0000000006FF0000-0x0000000007092000-memory.dmp

Filesize
648KB

Download
memory/3444-12-0x0000000006DF0000-0x0000000006E2C000-memory.dmp

Filesize
240KB

Download
memory/3444-9-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3444-8-0x0000000005BD0000-0x0000000005BE6000-memory.dmp

Filesize
88KB

Download
memory/3444-7-0x0000000005A30000-0x0000000005A86000-memory.dmp

Filesize
344KB

Download
memory/3444-10-0x0000000005A20000-0x0000000005A30000-memory.dmp

Filesize
64KB

Download
memory/3444-18-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3444-0-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3444-4-0x00000000057C0000-0x0000000005852000-memory.dmp

Filesize
584KB

Download
memory/3444-3-0x0000000005E20000-0x00000000063C4000-memory.dmp

Filesize
5.6MB

Download
memory/3444-2-0x0000000005720000-0x00000000057BC000-memory.dmp

Filesize
624KB

Download
memory/3444-1-0x0000000000BF0000-0x0000000000CD8000-memory.dmp

Filesize
928KB

Download

Analysis

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